update log

  APPEND INITIAL LINE TO gt_log ASSIGNING FIELD-SYMBOL(<fs_log>).
  <fs_log>-uuid             = uuid.
  <fs_log>-order_number     = ls_item-order_number.
  <fs_log>-basic_start_date = ls_item-basic_start_date .
  <fs_log>-basic_end_date   = ls_item-basic_end_date.
  <fs_log>-id_card          = ls_item-id_card.
  <fs_log>-field1 = ‘‘.
  <fs_log>-field2 = ‘‘.
  <fs_log>-field3 = ‘‘.
  <fs_log>-field4 = ‘‘.
  <fs_log>-field5 = ‘‘.
  <fs_log>-zcnam = sy-uname.
  <fs_log>-zcdat = sy-datum.
  <fs_log>-zctim = sy-uzeit.
  
  <fs_log>-zunam = sy-uname.
  <fs_log>-zudat = sy-datum.
  <fs_log>-zutim = sy-uzeit.
  
  
  MODIFY zppt_proord_log FROM TABLE gt_log.
  IF sy-subrc = 0.
    COMMIT WORK.
  ENDIF.